@charset "utf-8";
@import url("https://at.alicdn.com/t/font_3159971_ebxxv6n5ro.css");
/* CSS Document */
html,
body,
ol,
ul,
li,
h1,
h2,
h3,
h4,
h5,
h6,
p,
th,
td,
dl,
dd,
form,
fieldset,
legend,
input,
textarea,
select {
  margin: 0;
  padding: 0;
}
* {
  margin: 0;
  padding: 0;
}
em,
i {
  font-style: normal;
}
li {
  list-style: none;
}
dl {
  display: block;
  margin-block-start: 1em;
  margin-block-end: 1em;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
}
img {
  border: 0;
  /* 图片间隙 */
  vertical-align: middle;
}
button {
  cursor: pointer;
}
a {
  color: #666;
  text-decoration: none;
  cursor: pointer;
}
a:hover {
  color: #e33333;
}
button,
input {
  font-family: Microsoft YaHei, Heiti SC, tahoma, arial, Hiragino Sans GB, \\5b8b\4f53, sans-serif;
}
body {
  -webkit-font-smoothing: antialiased;
  background-color: #fff;
  font: 14px/1.5 Helvetica Neue, Helvetica, Arial, Microsoft Yahei, Hiragino Sans GB, Heiti SC, WenQuanYi Micro Hei, sans-serif;
}
.hide,
.none {
  display: none;
}
@font-face {
  font-family: "iconfont";
  /* Project id 3159971 */
  src: url("https://at.alicdn.com/t/font_3159971_ebxxv6n5ro.woff2?t=1644994394508") format("woff2"), url("https://at.alicdn.com/t/font_3159971_ebxxv6n5ro.woff?t=1644994394508") format("woff"), url("https://at.alicdn.com/t/font_3159971_ebxxv6n5ro.ttf?t=1644994394508") format("truetype");
}
.clearfix:after {
  content: ".";
  visibility: hidden;
  clear: both;
  display: block;
  height: 0;
}
.clearfix {
  zoom: 1;
}
.container {
  width: 1226px;
  margin-right: auto;
  margin-left: auto;
}
.container:after {
  clear: both;
  content: " ";
  display: table;
}
.container:before {
  content: " ";
  display: table;
}
#header .up-nav {
  height: 40px;
  font-size: 12px;
  color: #b0b0b0;
  background: #333;
}
#header .up-nav .up-left {
  float: left;
  line-height: 40px;
}
#header .up-nav .up-left .app {
  position: relative;
}
#header .up-nav .up-left .app:hover .appcode {
  height: 148px;
  z-index: 1;
}
#header .up-nav .up-left .app .appcode {
  position: absolute;
  top: 40px;
  left: 50%;
  width: 124px;
  height: 0;
  background: #fff;
  margin-left: -55px;
  box-shadow: 0 1px 5px #aaa;
  text-align: center;
  font-size: 14px;
  color: #333;
  line-height: 1;
  overflow: hidden;
  transition: height 0.3s;
}
#header .up-nav .up-left .app .appcode img {
  display: block;
  margin: 18px auto 12px;
}
#header .up-nav .up-md {
  float: right;
}
#header .up-nav .up-md a {
  padding: 0 5px;
  text-align: center;
}
#header .up-nav .up-md .sep {
  margin: 0;
}
#header .up-nav .up-right {
  float: right;
  width: 120px;
  height: 40px;
  margin-left: 15px;
  position: relative;
}
#header .up-nav .up-right:hover a {
  color: #ff6700;
}
#header .up-nav .up-right:hover .cart-menu {
  height: 100px;
}
#header .up-nav .up-right a {
  width: 120px;
  height: 40px;
  color: #b0b0b0;
  background: #424242;
  text-align: center;
}
#header .up-nav .up-right .cart-menu {
  position: absolute;
  right: 0;
  top: 40px;
  z-index: 3;
  width: 316px;
  height: 0;
  color: #424242;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  transition: height 0.3s;
}
#header .up-nav a {
  color: #b0b0b0;
  line-height: 40px;
  display: inline-block;
}
#header .up-nav a:hover {
  color: #fff;
}
#header .up-nav .sep {
  margin: 0 0.3em;
  color: #424242;
}
#header .dw-nav {
  height: 100px;
  position: relative;
}
#header .dw-nav .dw-left {
  float: left;
  position: relative;
  width: 62px;
  margin-top: 22px;
}
#header .dw-nav .dw-left .logo {
  display: block;
  width: 56px;
  height: 56px;
  overflow: hidden;
}
#header .dw-nav .dw-left .logo::before {
  position: absolute;
  left: 0;
  top: 0;
  width: 56px;
  height: 56px;
  content: "";
  background: url(../img/logo.png) no-repeat;
  background-size: 56px;
}
#header .dw-nav .dw-left .logo::after {
  position: absolute;
  left: 0;
  top: 0;
  width: 56px;
  height: 56px;
  content: "";
}
#header .dw-nav .dw-left .ir {
  text-align: left;
  text-indent: -9999em;
}
#header .dw-nav .dw-md {
  float: left;
  width: 850px;
  height: 100px;
}
#header .dw-nav .dw-md .list1 {
  z-index: 10;
  width: 1100px;
  height: 88px;
  margin: 0;
  padding: 12px 0 0 30px;
  list-style-type: none;
  font-size: 16px;
}
#header .dw-nav .dw-md .list1 .empty {
  float: left;
  width: 127px;
  height: 88px;
  padding-right: 15px;
  position: relative;
}
#header .dw-nav .dw-md .list1 .empty .lt-br {
  width: 243px;
  height: 460px;
  z-index: 100;
  position: absolute;
  top: 89px;
  left: -92px;
}
#header .dw-nav .dw-md .list1 .empty .lt-br > .lt-text {
  height: 420px;
  padding: 20px 0;
  border: 0;
  color: #fff;
  background: rgba(105, 101, 101, 0.6);
  position: relative;
}
#header .dw-nav .dw-md .list1 .empty .lt-br > .lt-text > .sub {
  width: 243px;
  height: 42px;
  line-height: 42px;
  position: relative;
}
#header .dw-nav .dw-md .list1 .empty .lt-br > .lt-text > .sub:hover {
  background-color: #ff6700;
}
#header .dw-nav .dw-md .list1 .empty .lt-br > .lt-text > .sub a {
  display: inline-block;
  width: 204px;
  color: #fff;
  padding: 0 0 0 30px;
}
#header .dw-nav .dw-md .list1 .empty .lt-br > .lt-text > .sub i {
  position: absolute;
  right: 20px;
  top: 0px;
}
#header .dw-nav .dw-md .list1 .empty .lt-br > .lt-text > .sub-content {
  width: 983px;
  height: 460px;
  background-color: #fff;
  position: absolute;
  top: 0px;
  left: 243px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
#header .dw-nav .dw-md .list1 .empty .lt-br > .lt-text > .sub-content > .content {
  height: 460px;
  width: 1016px;
  display: flex;
}
#header .dw-nav .dw-md .list1 .empty .lt-br > .lt-text > .sub-content > .content ul {
  width: 248px;
  height: 458px;
  margin: 0;
  padding: 2px 0;
}
#header .dw-nav .dw-md .list1 .empty .lt-br > .lt-text > .sub-content > .content ul li {
  width: 265px;
  height: 76px;
}
#header .dw-nav .dw-md .list1 .empty .lt-br > .lt-text > .sub-content > .content ul li a {
  display: inline-block;
  width: 225px;
  height: 40px;
  padding: 18px 20px;
}
#header .dw-nav .dw-md .list1 .empty .lt-br > .lt-text > .sub-content > .content ul li a:hover {
  color: #ff6700;
}
#header .dw-nav .dw-md .list1 .empty .lt-br > .lt-text > .sub-content > .content ul li a img {
  width: 40px;
  height: 40px;
  margin-right: 12px;
}
#header .dw-nav .dw-md .list1 li {
  float: left;
}
#header .dw-nav .dw-md .list1 li a {
  display: block;
  padding: 26px 10px 38px;
  color: #333;
}
#header .dw-nav .dw-md .list1 li a:hover {
  color: #ff6700;
}
#header .dw-nav .dw-md .nav-list {
  position: absolute;
  top: 100px;
  left: 0;
  z-index: 999;
  width: 100%;
  height: 0;
  border-top: 1px solid #e0e0e0;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
#header .dw-nav .dw-md .nav-list ol {
  width: 1200px;
  margin: 0 auto;
  transition: all 0.3s ease;
}
#header .dw-nav .dw-md .nav-list ol li {
  width: 200px;
  height: 229px;
  float: left;
  text-align: center;
}
#header .dw-nav .dw-md .nav-list ol li p {
  color: #333;
  font-size: 16px;
}
#header .dw-nav .dw-md .nav-list ol li span {
  display: block;
  color: #ff6700;
  font-size: 13px;
  margin-bottom: 35px;
}
#header .dw-nav .dw-md .nav-list ol li img {
  display: block;
  width: 120px;
  margin: 25px auto 5px;
}
#header .dw-nav .dw-md .nav-list ol li::after {
  content: "";
  display: block;
  width: 1px;
  height: 150px;
  background-color: #757575;
  position: absolute;
  top: 25px;
}
#header .dw-nav .dw-md .nav-list ol .first::after {
  display: none;
}
#header .dw-nav .dw-right {
  float: right;
  width: 296px;
  margin-top: 25px;
  background-color: #fff;
}
#header .dw-nav .dw-right .search {
  position: relative;
  width: 296px;
  height: 50px;
}
#header .dw-nav .dw-right .search:hover .search-text {
  border-color: #b0b0b0;
}
#header .dw-nav .dw-right .search:hover .search-btn {
  border-color: #b0b0b0;
}
#header .dw-nav .dw-right .search .search-text {
  position: absolute;
  top: 0;
  border: 1px solid #e0e0e0;
  outline: 0;
  transition: all 0.2s;
  right: 51px;
  z-index: 1;
  width: 223px;
  height: 48px;
  padding: 0 10px;
  font-size: 14px;
  line-height: 48px;
}
#header .dw-nav .dw-right .search .search-btn {
  right: 0;
  z-index: 2;
  width: 38px;
  height: 46px;
  padding: 1px 6px;
  font-size: 22px;
  line-height: 24px;
  background: #fff;
  color: #616161;
  position: absolute;
  top: 0;
  border: 1px solid #e0e0e0;
  outline: 0;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
#header .dw-nav .dw-right .search .search-btn:hover {
  background-color: #ff6700;
  color: #fff;
}
#banner {
  width: 1226px;
  margin-right: auto;
  margin-left: auto;
}
#banner .up {
  height: 460px;
  position: relative;
}
#banner .up .case-img {
  position: relative;
  width: 1226px;
  height: 460px;
}
#banner .up .case-img li {
  position: absolute;
  display: block;
}
#banner .up .case-img li img {
  width: 100%;
}
#banner .up .dot {
  position: absolute;
  width: 400px;
  height: 21px;
  left: auto;
  right: 30px;
  bottom: 20px;
  text-align: right;
}
#banner .up .dot li {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin: 0 4px;
  border: 2px solid #fff;
  border-color: hsla(0, 0%, 100%, 0.3);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0.8;
}
#banner .up .dot li:hover {
  background: hsla(0, 0%, 100%, 0.4);
  border-color: rgba(0, 0, 0, 0.4);
}
#banner .up .dot .active {
  background: hsla(0, 0%, 100%, 0.4);
  border-color: rgba(0, 0, 0, 0.4);
}
#banner .up .btn {
  position: absolute;
  top: 50%;
  width: 41px;
  height: 69px;
  margin-top: -35px;
  cursor: pointer;
  outline: none;
  user-select: none;
}
#banner .up #prev {
  background: url(../img/btn.png) no-repeat -84px 50%;
  left: 243px;
  right: auto;
}
#banner .up #prev:hover {
  background-position: 0px -50%;
}
#banner .up #next {
  background: url(../img/btn.png) no-repeat -125px 50%;
  right: 0;
  left: auto;
}
#banner .up #next:hover {
  background-position: -42px 50%;
}
#banner .dw {
  width: 1240px;
  height: 170px;
  margin: 14px 0 0 -14px;
}
#banner .dw .span1 {
  width: 234px;
  float: left;
  margin-left: 14px;
  min-height: 1px;
}
#banner .dw .span1 .list {
  width: 228px;
  height: 164px;
  padding: 3px;
  font-size: 12px;
  background: #5f5750;
  text-align: center;
}
#banner .dw .span1 .list li {
  position: relative;
  width: 70px;
  height: 82px;
  padding: 0 3px;
  float: left;
}
#banner .dw .span1 .list li::before {
  position: absolute;
  content: " ";
  background: #665e57;
  top: -1px;
  left: 6px;
  width: 64px;
  height: 1px;
}
#banner .dw .span1 .list li::after {
  position: absolute;
  content: " ";
  background: #665e57;
  top: 6px;
  left: 0;
  width: 1px;
  height: 70px;
}
#banner .dw .span1 .list li a {
  display: block;
  padding-top: 18px;
  text-overflow: ellipsis;
  color: #fff;
  opacity: 0.7;
}
#banner .dw .span1 .list li a:hover {
  opacity: 1;
}
#banner .dw .span1 .list li a img {
  display: block;
  width: 24px;
  height: 24px;
  margin: 0 auto 4px;
}
#banner .dw .span2 {
  float: left;
  margin-left: 14px;
  min-height: 1px;
  width: 978px;
}
#banner .dw .span2 > .list2 {
  margin: 0;
  padding: 0;
}
#banner .dw .span2 > .list2 > li {
  float: left;
  margin-left: 15px;
}
#banner .dw .span2 > .list2 > li a {
  display: inline-block;
  width: 316px;
  height: 170px;
  background: url(https://i1.mifile.cn/f/i/2014/cn/placeholder-80.png) no-repeat 50%;
}
#banner .dw .span2 > .list2 > li a img {
  display: block;
  width: 316px;
  height: 170px;
}
#banner .dw .span2 > .list2 .first {
  margin-left: 0;
}
#main {
  background-color: #f5f5f5;
  padding-top: 4px;
  padding-bottom: 12px;
}
#main .main-nav {
  height: 120px;
  margin: 22px 0;
  overflow: hidden;
}
#main .main-nav img {
  width: 100%;
}
#main .main-content {
  margin-bottom: 8px;
}
#main .main-content .main-content-nav {
  position: relative;
  height: 58px;
}
#main .main-content .main-content-nav .title {
  margin: 0;
  font-size: 22px;
  font-weight: 200;
  line-height: 58px;
  color: #333;
}
#main .main-content .main-content-nav .more {
  position: absolute;
  top: 0;
  right: 0;
}
#main .main-content .main-content-nav .more .tab-list {
  margin: 0;
  padding: 16px 0 0;
  list-style-type: none;
  font-size: 16px;
}
#main .main-content .main-content-nav .more .tab-list li {
  margin: 0 0 0 30px;
  display: inline-block;
  padding: 0;
  color: #424242;
  border-bottom: 2px solid #f5f5f5;
  border-bottom: 2px solid rgba(0, 0, 0, 0);
  cursor: pointer;
}
#main .main-content .main-content-nav .more .tab-list .item {
  color: #ff6700;
  border-bottom: 2px solid #ff6700;
}
#main .main-content .main-content-nav .more a {
  display: inline-block;
  font-size: 16px;
  line-height: 58px;
  color: #424242;
}
#main .main-content .main-content-nav .more a:hover {
  color: #ff6700;
}
#main .main-content .video-list {
  width: 1240px;
  height: 285px;
  margin: 0;
  padding: 0;
  transition: all 0.2s linear;
}
#main .main-content .video-list li:first-child {
  margin-left: 0;
}
#main .main-content .video-list .video-item {
  position: relative;
  float: left;
  width: 296px;
  height: 285px;
  margin-left: 14px;
  margin-bottom: 14px;
  text-align: center;
  background: #fff;
}
#main .main-content .video-list .video-item .img {
  position: relative;
  width: 296px;
  height: 180px;
  margin: 0 0 28px;
}
#main .main-content .video-list .video-item .img img {
  width: 100%;
}
#main .main-content .video-list .video-item .title {
  margin: 0 14px 6px;
  font-size: 14px;
  font-weight: 400;
  text-align: center;
  color: #333;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
#main .main-content .video-list .video-item .desc {
  display: inline-block;
  height: 18px;
  margin: 0 14px;
  font-size: 12px;
  color: #b0b0b0;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
#main .main-content .video-list .video-item:hover {
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
#main .main-content .row {
  margin-left: -14px;
}
#main .main-content .row .span3 {
  float: left;
  margin-left: 14px;
  min-height: 1px;
  width: 234px;
}
#main .main-content .row .span3 .list3 {
  margin: 0 0 -14px -14px;
  height: 614px;
  padding: 0;
}
#main .main-content .row .span3 .list3 li {
  height: 614px;
  position: relative;
  float: left;
  width: 234px;
  margin-left: 14px;
  background: #fff;
}
#main .main-content .row .span3 .list3 li a {
  display: block;
}
#main .main-content .row .span3 .list3 li a img {
  width: 100%;
}
#main .main-content .row .span3:hover {
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
#main .main-content .row .span4 {
  float: left;
  margin-left: 14px;
  min-height: 1px;
  width: 978px;
}
#main .main-content .row .span4 .list4 {
  margin: 0 0 -14px -14px;
  width: 992px;
  padding: 0;
}
#main .main-content .row .span4 .list4 li {
  height: 300px;
  padding: 0;
  position: relative;
  float: left;
  width: 234px;
  margin-left: 14px;
  margin-bottom: 14px;
  background: #fff;
}
#main .main-content .row .span4 .list4 li:hover {
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
#main .main-content .row .span4 .list4 li a {
  display: block;
  height: 100%;
  box-sizing: border-box;
  padding: 20px 0;
}
#main .main-content .row .span4 .list4 li a .img {
  width: 160px;
  height: 160px;
  margin: 0 auto 18px;
}
#main .main-content .row .span4 .list4 li a .img img {
  width: 100%;
}
#main .main-content .row .span4 .list4 li a .title {
  margin: 0 10px 2px;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  font-size: 14px;
  font-weight: 400;
  color: #333;
}
#main .main-content .row .span4 .list4 li a .desc {
  margin: 0 10px 10px;
  height: 18px;
  font-size: 12px;
  color: #b0b0b0;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
#main .main-content .row .span4 .list4 li a .price {
  margin: 0 10px 14px;
  text-align: center;
  color: #ff6700;
}
#footer .footer-top .top {
  padding: 27px 0;
  border-bottom: 1px solid #e0e0e0;
}
#footer .footer-top .top .list-service :first-child {
  border-left: 0;
}
#footer .footer-top .top .list-service li {
  float: left;
  width: 19.8%;
  height: 25px;
  border-left: 1px solid #e0e0e0;
  font-size: 16px;
  line-height: 25px;
  text-align: center;
}
#footer .footer-top .top .list-service li a {
  color: #616161;
}
#footer .footer-top .top .list-service li a i {
  margin-right: 6px;
  font-size: 24px;
  line-height: 24px;
  vertical-align: -4px;
}
#footer .footer-top .top .list-service li a:hover {
  color: #ff6700;
}
#footer .footer-top .message {
  padding: 40px 0;
  height: 172.5px;
}
#footer .footer-top .message .col-links {
  float: left;
  width: 160px;
  margin: 0;
}
#footer .footer-top .message .col-links dt {
  margin: -1px 0 26px;
  font-size: 14px;
  line-height: 1.25;
  color: #424242;
}
#footer .footer-top .message .col-links dd {
  margin: 10px 0 0;
  font-size: 12px;
}
#footer .footer-top .message .col-links dd a {
  color: #757575;
}
#footer .footer-top .message .col-links dd a:hover {
  color: #ff6700;
}
#footer .footer-top .message .message-right {
  float: right;
  width: 251px;
  border-left: 1px solid #e0e0e0;
  text-align: center;
  color: #616161;
}
#footer .footer-top .message .message-right .phone {
  font-size: 22px;
  line-height: 1;
  color: #ff6700;
}
#footer .footer-top .message .message-right p {
  margin: 0 0 5px 0;
  font-size: 12px;
}
#footer .footer-top .message .message-right .primary {
  display: inline-block;
  width: 118px;
  height: 28px;
  font-size: 12px;
  line-height: 28px;
  background: #fff;
  color: #ff6700;
  border: 1px solid #ff6700;
  text-align: center;
}
#footer .footer-top .message .message-right .primary:hover {
  background-color: #ff6700;
  color: #fff;
}
#footer .footer-top .message .message-right .follow {
  font-size: 12px;
  margin-top: 10px;
  position: relative;
  text-align: center;
}
#footer .footer-top .message .message-right .follow a {
  width: 24px;
  height: 24px;
  vertical-align: middle;
  margin-left: 6px;
  margin-top: -3px;
}
#footer .footer-top .message .message-right .follow a .iconfont {
  font-size: 24px;
}
#footer .footer-top .message .message-right .follow a img {
  width: 126px;
  height: 126px;
  z-index: 9999;
  position: absolute;
  top: 24px;
  left: 100px;
  display: none;
}
#footer .footer-top .message .message-right .follow a:hover img {
  display: block;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
#footer .footer-init {
  padding: 30px 0;
  font-size: 12px;
  background: #fafafa;
}
#footer .footer-init .container {
  height: 205.6px;
  position: relative;
}
#footer .footer-init .container .log-ir {
  width: 56px;
  height: 56px;
  display: block;
  text-align: left;
  text-indent: -9999em;
  overflow: hidden;
  margin-right: 20px;
  background: url(../img/214.png) no-repeat;
  background-size: 56px;
  position: absolute;
  top: 0;
  left: 0;
}
#footer .footer-init .container .info-text {
  color: #b0b0b0;
  padding-left: 77px;
  font-size: 12px;
}
#footer .footer-init .container .info-text p {
  margin: 0;
  line-height: 18px;
}
#footer .footer-init .container .info-text p a {
  color: #757575;
}
#footer .footer-init .container .info-text p a:hover {
  color: #ff6700;
}
#footer .footer-init .container .info-links {
  height: 28px;
  margin: 4px 0 15px;
  padding-left: 77px;
}
#footer .footer-init .container .info-links a {
  display: inline-block;
}
#footer .footer-init .container .info-links a img {
  width: auto;
  height: 28px;
  margin-left: 0;
}
#footer .footer-init .slogan {
  clear: both;
  margin: 30px auto 0;
  width: 100%;
  height: 19px;
  background: url(../img/221.png) no-repeat center 0;
  display: block;
  text-align: left;
  text-indent: -9999em;
  overflow: hidden;
}
.fix-box {
  position: fixed;
  bottom: 70px;
  right: 0;
  z-index: 999999;
}
.fix-box a {
  display: block;
  width: 82px;
  height: 90px;
  color: #757575;
  background: #fff;
  border: 1px solid #f5f5f5;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  transition: all 0.4s;
}
.fix-box a:hover {
  color: #ff6700;
}
.fix-box a:hover div {
  opacity: 1;
  visibility: visible;
}
.fix-box a div {
  position: absolute;
  left: -140px;
  top: 0;
  width: 124px;
  color: #333;
  background: #fff;
  z-index: 99;
  border: 1px solid #f5f5f5;
  transition: all 0.5s;
  opacity: 0;
  visibility: hidden;
}
.fix-box a div img {
  display: block;
  width: 90px;
  height: 90px;
  margin: 18px auto 12px;
}
.fix-box a div span {
  display: block;
  width: 82px;
  text-align: center;
  line-height: 20px;
  color: #757575;
  margin: 14px auto;
}
.fix-box a i {
  font-size: 32px;
}
.fix-box .backtop {
  display: none;
  margin-top: 14px;
}
